Inventor · disambiguated record
William R. Carswell
Also filed as: CARSWELL WILLIAM · CARSWELL WILLIAM R
10 granted patents·132 citations·filing 1981–1994
88Inventor score
Top patents by PatentIndex Score
10 records- 0174US5379875ACoin discriminator and acceptor arrangementEB METAL IND INC·Filed 1994·Granted Jan 10, 1995·67 cites·38 claims
- 0244US4981027AThree position lock mechanism for a vending machineEB METAL IND INC·Filed 1989·Granted Jan 1, 1991·14 cites·1 claims
- 0343US5248060ATheft deterrent device for newspaper dispensing machinesEB METAL IND INC·Filed 1992·Granted Sep 28, 1993·19 cites·24 claims
- 0443US4463874AVending machine having card moving fingersEB METAL IND INC·Filed 1982·Granted Aug 7, 1984·10 cites·14 claims
- 0539US4592461AVending machine with coin sorter and totalizerFRIEDMAN EVELYN·Filed 1983·Granted Jun 3, 1986·7 cites·19 claims
- 0631US4844229APrice mechanism for coin operated vending machineEB METAL IND INC·Filed 1988·Granted Jul 4, 1989·4 cites·11 claims
- 0729US4747478ACoin sorter and totalizerFRIEDMAN EVELYN·Filed 1986·Granted May 31, 1988·6 cites·12 claims
- 0828US4445625AVending machine having access blocking membersFRIEDMAN EVELYN·Filed 1982·Granted May 1, 1984·2 cites·5 claims
- 0927US4971186APrice mechanism for coin operated vending machineEB METAL IND INC·Filed 1989·Granted Nov 20, 1990·0 cites·2 claims
- 1025US4410104AVending machineCARSWELL WILLIAM·Filed 1981·Granted Oct 18, 1983·3 cites·15 claims
Join the waitlist — get patent alerts
Get an alert when William R. Carswell files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →