Inventor · disambiguated record
David L. Alter
Also filed as: ALTER DAVID · ALTER DAVID L
3 granted patents·68 citations·filing 1975–2019
68Inventor score
Top patents by PatentIndex Score
3 records- 0188US4041861AScreen printing frame with floating stretch-clampsALTER DAVID L·Filed 1975·Granted Aug 16, 1977·64 cites·7 claims
- 0260US11022405B2Bullet-proof backpackALTER DAVID·Filed 2019·Granted Jun 1, 2021·3 cites·14 claims
- 0319US4189842ACompact wide-range digital stretch gaugeSEMI MASK INC·Filed 1978·Granted Feb 26, 1980·1 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →