Inventor
BOLDT MELVIN H
39 patents
⚠️ This page may combine multiple inventors who share the name “BOLDT MELVIN H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NAT PRESTO INDUSTRIES INC
15 patentsUSD267424SDec 28, 1982
Portable radiant electric heater
NAT PRESTO INDUSTRIES INC36 citations92
USD256019SJul 22, 1980
Hot air corn popper
NAT PRESTO INDUSTRIES INC30 citations91
USD246686SDec 20, 1977
Deep fry cooker
NAT PRESTO INDUSTRIES INC30 citations82
USD271132SOct 25, 1983
Portable radiant electric heater
NAT PRESTO INDUSTRIES INC26 citations81
USD275029SAug 7, 1984
Automatic temperature sensing electric heater
NAT PRESTO INDUSTRIES INC10 citations73
USD261594SNov 3, 1981
Egg cooker
NAT PRESTO INDUSTRIES INC7 citations73
USD253867SJan 8, 1980
Pressure cooker
NAT PRESTO INDUSTRIES INC13 citations73
USD253746SDec 25, 1979
Pressure cooker regulator
NAT PRESTO INDUSTRIES INC11 citations73
USD253388SNov 13, 1979
Electric pressure cooker
NAT PRESTO INDUSTRIES INC16 citations73
USD250448SDec 5, 1978
Electric cooking utensil
NAT PRESTO INDUSTRIES INC16 citations73
USD246635SDec 13, 1977
Wall-mounted smoke detector
NAT PRESTO INDUSTRIES INC13 citations73
USD254769SApr 22, 1980
Pressure cooker regulator
NAT PRESTO INDUSTRIES INC5 citations62
USD252665SAug 21, 1979
Electric mini-oven with removable cover
NAT PRESTO INDUSTRIES INC3 citations62
USD248017SMay 30, 1978
Thermostatic electric connector plug
NAT PRESTO INDUSTRIES INC5 citations62
USD255008SMay 20, 1980
Cooking appliance handle
NAT PRESTO INDUSTRIES INC1 citations52
ZENITH RADIO CORP
15 patentsUS4017129AApr 12, 1977
Television receiver cabinet with formed decorative front
ZENITH RADIO CORP42 citations92
USD250763SJan 9, 1979
Digital clock radio
ZENITH RADIO CORP12 citations74
USD244052SApr 12, 1977
Television receiver
ZENITH RADIO CORP6 citations74
USD270157SAug 16, 1983
Telephone handset
ZENITH RADIO CORP15 citations73
USD268758SApr 26, 1983
Combined telephone and clock radio
ZENITH RADIO CORP10 citations73
US4006300AFeb 1, 1977
Two-piece back for a console television receiver
ZENITH RADIO CORP12 citations73
USD245841SSep 20, 1977
Television receiver
ZENITH RADIO CORP4 citations63
USD266668SOct 26, 1982
Projection television receiver
ZENITH RADIO CORP5 citations60
USD266423SOct 5, 1982
Projection television receiver
ZENITH RADIO CORP5 citations60
USD245842SSep 20, 1977
Television receiver
ZENITH RADIO CORP3 citations59
USD244961SJul 5, 1977
Combined phonograph and stereo receiver
ZENITH RADIO CORP3 citations57
USD248025SMay 30, 1978
Television receiver
ZENITH RADIO CORP1 citations52
USD246713SDec 20, 1977
Television receiver
ZENITH RADIO CORP1 citations52
USD244231SMay 3, 1977
Television receiver
ZENITH RADIO CORP1 citations52
USD244232SMay 3, 1977
Television receiver
ZENITH RADIO CORP1 citations52