Inventor

BALL ROGER M

CA6 patents

⚠️ This page may combine multiple inventors who share the name “BALL ROGER M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RED CORP

2 patents

US5915537AJun 29, 1999

Helmet

RED CORP150 citations94

US6073272AJun 13, 2000

Helmet with ear protection and a hearing enhancement feature

RED CORP44 citations90

(unassigned)

2 patents

US5940890AAug 24, 1999

Helmet including a strap securing device

US5409402AApr 25, 1995

Plug-in fuse device with interchangeable fuse elements

SAFECO MFG LTD

1 patent

US4999846AMar 19, 1991

Strap and buckle assembly

SAFECO MFG LTD114 citations94

COOPER CANADA LTD

1 patent

USD298367SNov 1, 1988

Helmet

COOPER CANADA LTD28 citations90