Inventor · disambiguated record
Otto P. Hafner
Also filed as: HAEFNER OTTO · HAFNER OTTO P
8 granted patents·164 citations·filing 1975–1988
88Inventor score
Top patents by PatentIndex Score
8 records- 0188US3981064AMethod and apparatus for interlocking overlapping sheet materialHAFNER OTTO P·Filed 1975·Granted Sep 21, 1976·36 cites·4 claims
- 0288US3934327AMethod of interlocking overlapping sheet materialHAFNER OTTO P·Filed 1975·Granted Jan 27, 1976·48 cites·2 claims
- 0369US4184396ALocking joint manufactureHAFNER OTTO P·Filed 1977·Granted Jan 22, 1980·16 cites·27 claims
- 0468US4635732APower-driven hand-held tool with a pneumatic motorBOSCH GMBH ROBERT·Filed 1984·Granted Jan 13, 1987·25 cites·6 claims
- 0552US4986691AStrip locking joint & method of making sameHAFNER OTTO P·Filed 1988·Granted Jan 22, 1991·13 cites·5 claims
- 0651US4607418AMeans for interlocking overlapping sheet materialHAFNER OTTO P·Filed 1983·Granted Aug 26, 1986·12 cites·17 claims
- 0745US4896414AWaterproof cut and displace joint and method for making sameHAFNER OTTO P·Filed 1988·Granted Jan 30, 1990·8 cites·4 claims
- 0843US4176441ALocking joint machineHAFNER OTTO P·Filed 1977·Granted Dec 4, 1979·6 cites·12 claims
Join the waitlist — get patent alerts
Get an alert when Otto P. Hafner 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 →