Inventor · disambiguated record
Robert C. Clapper
Also filed as: CLAPPER ROBERT C
4 granted patents·62 citations·filing 1981–1997
77Inventor score
Top patents by PatentIndex Score
4 records- 0153US4807779ATamper-proof display and dispensing apparatusDCI MARKETING·Filed 1986·Granted Feb 28, 1989·27 cites·4 claims
- 0245US4337588ADigital spring roll display deviceDCI MARKETING·Filed 1981·Granted Jul 6, 1982·14 cites·8 claims
- 0341US5896688AScrolling sign with manually operated change mechanismMILWAUKEE SIGN INC·Filed 1997·Granted Apr 27, 1999·12 cites·29 claims
- 0436US5598651ASign mechanism having traversable webMILWAUKEE SIGN INC·Filed 1994·Granted Feb 4, 1997·9 cites·30 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →